All other samples show an access time between 7 ms and 30 ms. One sample has an access time of 105 ms and 3 samples of ≈ 90 ms. We see only 4 outliers (marked with red circles) in 1000 samples. The average access time (the time it takes before the drive can actually transfer data from a random track.) is also normal (≈ 17 ms). Read/write rate outermost track: 1260 B/sĪs a result the read rate (blue) and the write rate (pink) slightly decreases from the outermost tracks on the left (≈ 84 MB/s) to the innermost tracks on the right (≈ 45 MB/s). Radius of the innermost track: 1 inch -> track length: 6,3 inches Radius of the outermost track: 2 inches -> track length: 12,6 inches With one rotation of the platter the read/write head can read/write more bits on the outermost track than the innermost track in the same time. Therefore the outermost track contains more bits than the innermost track. Usually the linear density of magnetic areas holding a bit is almost constant on the whole platter. The benchmark shows the normal behavior of a spinning hard drive. The SMART Data shows a normal degradation of an approx. Just to give a correct interpretation of the SMART Data and the benchmark and clear up the misunderstandings revealed in some answers, comments and the question:
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